Search found 4615 matches

by Laskos
Thu Mar 26, 2020 9:15 pm
Forum: Computer Chess Club: General Topics
Topic: Lc0 CPuct
Replies: 1
Views: 269

Re: Lc0 CPuct

What is the conclusion ? Should i stick to 1.9 or keep it at 2.147000 Laskos's 1.9 seems fine but i'm uncertain what is trully the best. For LTC on an RTX GPU, 1.9 seems some 90% likely to be better than the default Kiudee. No cherry picking of data and wrong likelihood estimation methodology. For ...
by Laskos
Tue Mar 17, 2020 1:50 pm
Forum: Computer Chess Club: General Topics
Topic: Komodo vs GM Smerdon knight odds match
Replies: 26
Views: 1151

Re: Komodo vs GM Smerdon knight odds match

I m happy Larry you re trying this match. Yes this time Komodo might finally be underdog. But maybe it won't last forever... I m like you, hoping one day the best engine could give a knight handicap against the strongest in the world. Well, at tournament time control against top humans, this might ...
by Laskos
Mon Mar 16, 2020 11:32 pm
Forum: Computer Chess Club: General Topics
Topic: Komodo vs GM Smerdon knight odds match
Replies: 26
Views: 1151

Re: Komodo vs GM Smerdon knight odds match

I m happy Larry you re trying this match. Yes this time Komodo might finally be underdog. But maybe it won't last forever... I m like you, hoping one day the best engine could give a knight handicap against the strongest in the world. Well, at tournament time control against top humans, this might ...
by Laskos
Mon Mar 16, 2020 10:07 pm
Forum: Computer Chess Club: General Topics
Topic: Komodo vs GM Smerdon knight odds match
Replies: 26
Views: 1151

Re: Komodo vs GM Smerdon knight odds match

I m happy Larry you re trying this match. Yes this time Komodo might finally be underdog. But maybe it won't last forever... I m like you, hoping one day the best engine could give a knight handicap against the strongest in the world. Well, at tournament time control against top humans, this might ...
by Laskos
Mon Mar 16, 2020 8:28 pm
Forum: Computer Chess Club: General Topics
Topic: Komodo vs GM Smerdon knight odds match
Replies: 26
Views: 1151

Re: Komodo vs GM Smerdon knight odds match

Sounds exciting. Thanks for the heads up. Ballpark score could be 3.5 - 2.5 win for Komodo. All draws plus 1 win for the engine. Well, as Tal reportedly said when told that Bobby Fischer said in the 1960s that he could give knight odds to any woman chessplayer, "Fischer is Fischer, but a knight is ...
by Laskos
Wed Feb 26, 2020 8:24 pm
Forum: Computer Chess Club: General Topics
Topic: Better settings, best net, best backend on RTX GPU to LTC
Replies: 11
Views: 1347

Re: Better settings, best net, best backend on RTX GPU to LTC

Great info. I look forward to trying the 1.9 CPuct. I do have a completely different experience on the DX12 backend however. I run an ASUS Strix 2080TI OC (watercooled). And the DX12 backend is nearly 25% slower. It also goes nuts if I set a batch size of 512 like I run under cuda. It likewise goes...
by Laskos
Wed Feb 26, 2020 5:35 pm
Forum: Computer Chess Club: General Topics
Topic: Better settings, best net, best backend on RTX GPU to LTC
Replies: 11
Views: 1347

Re: Better settings, best net, best backend on RTX GPU to LTC

I would like to get a screen shot of your complete UCI settings or your parameter disk file, if you use that instead. There is not much to add to the defaults of the v0.24rc1 settings, which incorporated the Kiudee settings as default (and added some new). Only these parameters overwrite the defaul...
by Laskos
Wed Feb 26, 2020 12:47 pm
Forum: Computer Chess Club: General Topics
Topic: Better settings, best net, best backend on RTX GPU to LTC
Replies: 11
Views: 1347

Better settings, best net, best backend on RTX GPU to LTC

Hardware: 4 core i7 fast CPU RTX 2070 OC-ed GPU 1/ I was on holidays, in fact unknowingly, in coronavirus hit areas, and left my PC for a long run to check for a possible improvement to the Kiudee settings to LTC. I seem to get a positive result changing that: CPuct=1.90 instead of Kiudee one CPuct=...
by Laskos
Thu Feb 13, 2020 6:36 pm
Forum: Computer Chess Club: General Topics
Topic: Lc0 v0.24 dev DX backend for AMD Radeon GPU
Replies: 11
Views: 1538

Re: Lc0 v0.24 dev DX backend for AMD Radeon GPU

Thanks Laskos for testing. It's good to know that the speed increase translates to improvement in playing strength. The dx backend (that defaults to fp16 precision) uses a different algorithm for convolution (winograd) that scales better with bigger networks compared to what cudnn-fp16 uses (implic...
by Laskos
Thu Feb 13, 2020 1:32 pm
Forum: Computer Chess Club: General Topics
Topic: Lc0 v0.24 dev DX backend for AMD Radeon GPU
Replies: 11
Views: 1538

Re: Lc0 v0.24 dev DX backend for AMD Radeon GPU

Thanks Laskos for testing. It's good to know that the speed increase translates to improvement in playing strength. The dx backend (that defaults to fp16 precision) uses a different algorithm for convolution (winograd) that scales better with bigger networks compared to what cudnn-fp16 uses (implic...